Peep sight for firearms



, mam WT? WWW! 33-25% OR 290939676 SR pt. 21, 1937. G. E. HENNESSY2,093,676

PEEP SIGHT FOR FIREARMS Filed Feb. 25, 1937 PM? INVENTOR: Geo/$5 94:flenness y, Y I w;

33a GEQWIEWECAL iNSi hilt it? Patented Sept. 21, 1937 UNITED STATESPATENT OFFICE 3 Claims. (Cl. 33-58) This invention relates to peepsights for fire arms and more particularly to a construction which maybe quickly adjusted for difierent ranges, and it consists in theconstructions, ar-

2l may be adjusted upon the threaded stem I9 and secured in suchposition by the lock nut 22.

The lug I! has an aperture 23 adapted to align with the slots I6 of theflanges and a bolt 24 rangements, and combinations herein described isextended through the slots and the aperture 5 and claimed. 23. The bolt24 has a head 25 of flattened forma- It is an object of the invention toprovide a tion so as to seat within one of the flanges I6 sight whichmay be readily used as a peep sight, and thus prevent its turning whentightening the adjustable upon its base support so as to be nut 26 whichis engaged. upon the threaded porlo adaptable to various ranges, as wellas being sustion of the bolt. The bolt 24 has a flat 2'! for a ceptibleto use as a receiver sight. p p as W new be eXpleined- It is a furtherobject of the invention to provide The lug I! has a bore 28 extendinglongitudia peep or similar sight which may be quickly nally thereof andhouses a helical spring 29 and folded to an inoperative position, adetent 30. The spring urges the detent out- It is a still further objectof the invention to Wardly S as o act the bol 24 and in the 15 provide asight which is longitudinally adjustvertical position f h 1% I7 h de 30Will able along its supporting base, the base having seat upon the flat21 of the bolt and thus retain graduations cooperable with the sight toindithe S g in p oper erect position. It will be oate the rangeunderstood, of course, that the lug I! may be os- It is also an objectof the invention to provide ed p t bolt 5 as to mOVe the sight to 0 asight which may be quickly adjusted vertically. n p rative p i n as h wnin F ure 4. In

Additional objects, advantages and features of Such movement, the Spring29 permits earward invention will be apparent from the following mvement of the detent 30 so as to become redescription and accompanyingdrawing, wherein leased om the flat 2 Figure 1 i ide l vati n f th siht, One of the slots IE will have calibrations indi- 25 Figure 21 afront elevation t cated at 3| and the bolt head 25 will have an Figure 3is a vertical sectional view through the index i ht In use, the nut 26will be slightly loosened so as Figure 4 is a side elevation of thesight in inoprelease binding action of the flanges I5 1113011 erativeposition and illustrating the graduations the thus permitting e 1 I7 andaSSO- 30 to insure adjustment of the sight to a desired eieted Sight 2|to be moved along e S ot I6 to a range of fire desired point asindicated by the calibrations.

Figure 5 is an enlarged perspective View of Movement of the sight 2|forwardly will by reason 1 t employed in t sight of the upwardinclination of the slot cause ele- 35 There is m t portion of a gun 0upon vation of the sight and backward movement of 35 which there ismounted my sight II. The sight the Sight will lower e Sight d the rangeo comprises a base I2 having a curvature as at I3 fire W111 beaccordingly ged. t fit t gun barre] or breech, as the case may While Ihave shown and described a preferred be, and bolts 4 may be employed tosecure the embodiment of the invention this is by way of sights to thegum A pair of spaced parallel illustration only, and I consider as myown all 40 upstanding flang s 5 are formed as an integral suchmodifications in construction as fairly fall part of the base I2, andthese flanges preferably Within Scope of the appended a ms. are inclinedrearwardly. Each of the flanges I5 I 'f F has formed therein a slot I6extending longi- In slght for arms, a base member r tudinally of theflanges and parallel to the upper mg parangl upstanqmg. fiangfas thereoneach edge thereof. It Will be noted that the slots are flange havmg a tmchned wlth respect to the inclined with respect to the bore of the gun.gun bore polt.dlsposed across Slots,

ble longitudinally thereof said bolt havin A peep sight mounting lug I1is provided havmove g a flattened head engaged withm one of the slots,

mg a base member of wlFuh freely recelv a lug positioned between theflanges and oscillat- 50 able between the flanges I5 and ncludes athreadably mounted on the bolt, detent means on the ed stem I9cooperable with an internally threadlug cooperame t the bolt to maintainthe lug ed bore 20 Of a S ht 2 I. A lock nut 22 is also enin a desiredposition and a vertically adjustable gaged upon the stem I9 abutting thelower end of sight on the lug.

the sight 2|. It will be apparent that the sight 2. In a sight for firearms, a base member hav- 55 ing parallel upstanding flanges thereon,each flange having a slot inclined with respect to the gun bore, a boltpositioned across the slots and movable longitudinally thereof, saidbolt having a flattened head at one end disposed Within one of theslots, the other end of the bolt having a screw threaded nut thereon, alug positioned between the flanges and oscillatably mounted on the bolt,said lug having a bore extending transverse to the bolt, a detent in thebore, a helical spring p0- sitioned between the detent and the closedend of the bore, said bolt having a flattened portion defining a seat inone position of movement of the lug, said lug having a screw threadedshank, a peep sight threadedly engaged on the shank, and a lock nut onthe shank cooperable with the sight for locking the same in a desiredposition.

3. In a sight for firearms, a base member having parallel upstandingflanges, each flange having a slot inclined with respect to the gunbore, a bolt having its ends slidably mounted in the respective slots,and a sight member pivotally mounted on said bolt between said flanges.

GEQRGE E. HENNESSY.

